Damming is a common anthropogenic intervention along the course of rivers, which is defined as “artificial-lake effect”, both in China and across the world. Today as many as 48000 dams and /or reservoirs are in operation in the Changjiang River (Yangtze Damming is a common anthropogenic intervention along the course of rivers, which is defined as “artificial-lake effect”, both in China and across the world. Today as many as 48000 dams and / or reservoirs are in operation in the Changjiang River (Yangtze